Version 2.0.1

Added CRC32 checksums for Duet 2 uploads
File editor asks to save changes even when closed internally
Increased minimum width of tool temperature inputs
Restored default menu on the G-code event list
Added back endstops list to Settings/Machine page
Minor other improvements
Bug fix: Tool position stopped working on Duet 2
Bug fix: Loading G-code file lists with lots of files caused unwanted lag
Bug fix: Stray clicks on "Save" could lead to file corruption
Bug fix: Negative jog control values were not properly displayed
Bug fix: Parameters of special codes (M23, M30, M32, M36) were incorrectly converted to upper-case